package com.sky.controller.admin;

import com.sky.context.BaseContext;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    // 新增菜品
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        if (BaseContext.getCurrentId() != 1) {
            return Result.error("对不起，您没有权限");
        }
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        // 清理缓存数据
        cleanCache("dish_" + dishDTO.getId());
        return Result.success();
    }

    // 菜品分页查询
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    // 菜品批量删除
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids) {
        if (BaseContext.getCurrentId() != 1) {
            return Result.error("对不起，您没有权限");
        }
        log.info("菜品批量删除：{}", ids);
        dishService.deleteBatch(ids);

        // 将所有的菜品缓存数据都清掉
        cleanCache("dish_*");
        return Result.success();
    }

    // 根据id查询菜品和对应的口味数据
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    // 修改菜品
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        if (BaseContext.getCurrentId() != 1) {
            return Result.error("对不起，您没有权限");
        }
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);

        // 将所有的菜品缓存数据都清掉
        cleanCache("dish_*");

        return Result.success();
    }

    // 起售停售菜品
    @PostMapping("/status/{status}")
    @ApiOperation("起售停售菜品")
    public Result<String> startOrStop(@PathVariable("status") Integer status, Long id){
        if (BaseContext.getCurrentId() != 1) {
            return Result.error("对不起，您没有权限");
        }
        dishService.startOrStop(status,id);
        // 将所有的菜品缓存数据都清掉
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    // 清理缓存数据
    private void cleanCache(String patten) {
        // 将所有的菜品缓存数据都清掉
        Set keys = redisTemplate.keys(patten);
        redisTemplate.delete(keys);
    }

}
